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EP3168945B1 - Partie de connecteur d'un connecteur sous-marin et son procédé de connexion - Google Patents

Partie de connecteur d'un connecteur sous-marin et son procédé de connexion Download PDF

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Publication number
EP3168945B1
EP3168945B1 EP15194717.3A EP15194717A EP3168945B1 EP 3168945 B1 EP3168945 B1 EP 3168945B1 EP 15194717 A EP15194717 A EP 15194717A EP 3168945 B1 EP3168945 B1 EP 3168945B1
Authority
EP
European Patent Office
Prior art keywords
contact
connector part
engagement
chamber
damper body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15194717.3A
Other languages
German (de)
English (en)
Other versions
EP3168945A1 (fr
Inventor
David Michael Tucker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP15194717.3A priority Critical patent/EP3168945B1/fr
Priority to US15/344,806 priority patent/US10033134B2/en
Publication of EP3168945A1 publication Critical patent/EP3168945A1/fr
Application granted granted Critical
Publication of EP3168945B1 publication Critical patent/EP3168945B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4538—Covers sliding or withdrawing in the direction of engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/56—Devices for lubricating or polishing slip-rings or commutators during operation of the collector

Definitions

  • the present invention relates to a connector part of a subsea connector, in particular of an ROV mateable subsea connector, and to a method of providing a connection in a subsea environment.
  • connections need to be provided underwater, such as electrical connections and/or optical connections.
  • Examples include a subsea installation for the production of hydrocarbons from a subsea well, in which different components of the subsea installation may need to be connected for power transfer and/or data communication.
  • Such connections may for example comprise a connection from a topside installation, such as a floating or fixed platform, or from an onshore site, to a subsea component, for example by means of an umbilical or a subsea cable.
  • Other connections include electrical connections between different type of subsea equipment, such as a connection between a subsea transformer and subsea switchgear, a data connection between different control modules or between a hub and a satellite well.
  • a data connection may need to be provided over increased distances, for example between two subsea wells that are more than 1 km apart, for which purpose an optical data connection is particularly beneficial, in particular when making use of an Ethernet data connection.
  • wet-mateable connectors For providing an underwater connection, wet-mateable connectors are known which can be mated underwater. Although such type of connectors are generally more complex than corresponding dry-mate connectors, which have to be mated above the water surface, wet-mateable connectors have several advantages. Components of the subsea installation can for example be disconnected and can be retrieved for servicing or exchange, additional components may be connected to an existing subsea installation, connections can be provided to a subsea structure after installation thereof at the ocean floor, and the like.
  • a first connector part for example a plug part
  • a second connector part for example a receptacle part. Due to the large water depth, this is generally done by making use of a remotely operated vehicle (ROV), which for example holds one connector part and engages it with the other connector part.
  • ROV remotely operated vehicle
  • the ROV is controlled by an ROV pilot located topside, for example onboard of a floating or fixed platform or a vessel.
  • Subsea wet mateable connectors generally have a rather complex internal structure which is required to protect the interior of the connector and in particular the contacts from the corrosive seawater.
  • the internal mechanism of the subsea connector becomes vulnerable and may be exposed to excessive dynamic forces. The functionality of the connector may thus be compromised.
  • EP2853679 describes a connector for subsea use with a protection assembly to prevent exposure to seawater when unmated and deployed subsea.
  • GB2402560 describes an electrical penetrator conector having a fixed coupler pin unit with a pin and a component including a housing with a bore into which the pin may be inserted to flush the pin on insertion or removal from the bore.
  • a connector part of a subsea connector in particular of an ROV mateable subsea connector is provided.
  • the connector part is adapted to be mated with a second part of the subsea connector.
  • the connector part comprises at least a first contact configured for engagement with a respective second contact of the second connector part for establishing a connection.
  • the connector part further comprises a damper unit, wherein at least the first contact is mounted to the damper unit.
  • the damper unit is configured to be activated by an engagement of the connector part with the second connector part.
  • the damper unit is further configured to delay the engagement of the first contact with the second contact of the second connector part during the engagement of the connector part with the second connector part.
  • damper unit it may become possible to decouple the mating of the first and second connector parts from the engagement of the first contact with the second contact.
  • the engagement of the first contact with the second contact may no longer depend on the ability of the ROV pilot that engages the connector part with the second connector part, so that even if the mating is performed at excessive speed, there can be a reliable and secure engagement of the first contact with the second contact.
  • excessive dynamic forces on the internal components of the connector part, and in particular damage to the first and/or second contact may be prevented.
  • the performance of the internal engagement process of the first contact with the second contact may thus occur in a controlled way that is controlled by the damper unit, thus negating the detrimental effects of an inadvertent high speed mating performed by the ROV pilot.
  • the damage that may be caused by such high speed mating may first go undetected, since it may not immediately be evident that the damage occurred. If the damage is undetected over a period of time, the damage may propagate and may thus cause latent failure, which can result in a blackout of larger parts of the subsea installation, thus causing excessive costs and efforts for restoring operation of the subsea installation. Such negative effects may be prevented by avoiding damage to the internal components of the connector part.
  • the damper unit comprises a damper body defining a chamber and further comprises a piston providing a wall of the chamber.
  • the piston is moveable relative to the damper body to change the volume of the chamber.
  • the chamber is filled with a liquid and comprises an opening through which the liquid can enter and escape the chamber.
  • the first contact is mounted to the piston or the damper body. The delay in the engagement of the first contact with the second contact at least partly results from the time required to expel liquid from within the chamber through the opening when moving the damper body relative to the piston. An effective damping system is thus provided which can effectively control the engagement speed of the first contact with the second contact.
  • the damper unit is configured such that the mating speed of the connector part with the second connector part is independent of the engagement speed of the first contact with the second contact.
  • the engagement speed of the first contact with the second contact is in particular controlled by the damper unit.
  • the damper unit is configured to delay the engagement of the first contact with the second contact such that at the point in time when the connector part and the second connector part reach a mated state, the first contact is not yet in engagement with the second contact. In other words, the connection is not yet established.
  • the damper unit is further configured to move the first contact into engagement with the second contact after the connector part and the second connector part have reached the mated state. It should be clear that movement of the first contact towards the second contact can already start before the connector part and the second connector part have reached the mated state, but the engagement and thus the establishing of the connection between the first and second contacts only occurs after the connector part and the second connector part are in the mated state.
  • the connector part may also be termed a first connector part.
  • the damper unit is configured to delay the engagement of the first contact with the second contact with a time constant that is determined by flow of fluid through a restriction, in particular through an aperture.
  • a time constant may for example be changed by changing the flow of a fluid, for example by changing the number of apertures and/or changing the size of the aperture (S), by changing the viscosity of the liquid or the like.
  • the aperture may for example be an opening in a chamber, a flow channel or the like.
  • the fluid may be a liquid, in particular a dielectric liquid, such as oil or an ester based fluid.
  • the damper unit comprises a moveable element to which the first contact is mounted.
  • the moveable element is moveable between a first position in which the first contact engages the second contact when the connector part and the second connector part are in the mated state, and a second position in which the first contact is spaced apart from the second contact when the connector part and the second connector part are in the mated state.
  • the moveable element when the connector part is in an unmated state, the moveable element may be located at the first position. During the engagement of the connector part with the second connector part, the moveable element may be moved into the second position. Accordingly, the first contact may be moved efficiently out of the position in which it would come into contact with the second contact during the mating, so that damage to the first contact and to the second contact can be prevented when the mating occurs to fast.
  • the movement of the moveable element may be effected by a mating force applied to the connector part or the second connector part during mating.
  • the movement from the first position to the second position may be achieved by the application of the mating force that is applied by the ROV to one connector part during engagement.
  • the damper unit is activated by the mating force that is applied to the connector part or the second connector part externally by the ROV.
  • the movement of the moveable element in particular the movement from the second position to the first position, may be effected by an elastic force, such as a spring force. Accordingly, the engagement of the first and second contacts no longer depends on the external force applied by the ROV in such configuration.
  • the damper unit may further more comprise a spring that is mechanically connected to the moveable element so as to urge the moveable element into the first position.
  • the spring can for example be loaded (e.g. compressed or extended) during the mating of the first and second connector parts by the external force when the moveable element is moved from the first position into the second position.
  • a movement of the moveable element from the second position into the first position may be effected by the spring.
  • the damper unit may be configured such that the movement displaces a liquid at a predetermined rate. The displacement of liquid may damp the movement and thus may delay the engagement of the first contact with the second contact.
  • the above described moveable element may be the damper body. Accordingly, the first contact may be mounted to the damper body and may move together therewith. In other embodiments, the movable element may be the piston, and the first contact may be mounted to the piston and may move together therewith. It should be clear that further configurations of the movable element are conceivable.
  • the chamber may comprise a spring that applies a force to the piston that pushes the piston in a direction in which the volume of the chamber is increased. Accordingly, in such configuration, when the second connector part is removed from the first connector part, i.e. the connector parts are in a de-mated state, the spring, which may also be termed second spring, may push the piston out of the chamber, thus increasing the volume of the chamber and allowing the liquid to reenter the chamber.
  • the damper unit may thus be available for performing a further controlled engagement of the first and second contacts in a subsequent mating process.
  • the connector part has a forward end for engagement with the second connector part and a rearward end at which a connection, for example by means of a cable, or a hose, is provided.
  • the damper unit comprises the damper body having a forward end and a rearward end, wherein the damper body includes the chamber that has an opening facing forwardly, i.e. that is open in the direction of the forward end of the connector part.
  • the damper unit includes a first spring bearing on one side against the rearward end of the damper body and at the other side against a connector housing of the connector part (either directly or indirectly). In other words, the other side of the spring is stationary with respect to the connector housing, so that a force which it applies is transferred to the connector housing.
  • the piston is arranged in the opening of the chamber of the damper body.
  • the piston extends forwardly, i.e. in the direction of the forward end of the connector part.
  • a second spring is arranged in the chamber and bears on one side against the piston and on the other side against a rearward wall of the chamber. The second spring urges the piston forwardly with respect to the damper body.
  • An opening in the chamber allows a liquid to enter and escape the chamber.
  • the first contact is mounted to the damper body.
  • the piston is configured to be engaged by a shuttle pin of the connector part.
  • the damper body to which the first contact is mounted, is movable relative to the connector housing and to the piston, which is engaged by the shuttle pin during mating.
  • a pin of the second connector part may have entered the first connector part and may have pushed the shuttle pin rearwardly and into engagement with the piston.
  • the pin and as a result, the shuttle pin and the piston are stationary with respect to the connector housing. Accordingly, by allowing the damper body to move, the first contact may be moved out of the way during mating, and the engagement of the first contact with the second contact may be delayed efficiently.
  • the first spring may have a spring constant that is larger than the spring constant of the second spring.
  • the first spring may thus be capable of moving the damper body against the force of the second spring.
  • the opening may comprise a flow channel through the piston.
  • the opening may comprise a flow channel through the shuttle pin, so that when the shuttle pin is in engagement with the piston, the opening reaches through the piston and through the shuttle pin into a chamber of the connector housing.
  • the opening may comprise an opening in the damper body.
  • the damper body is a moveable element that has a first position in which the first contact engages the second contact when the connector part and the second connector part are in the mated state and a second position in which the first contact is spaced a part from the second connector part and the second connector part are in the mated state.
  • the damper body In the unmated state of the connector part, the damper body may be in the first position, and the first and second springs may be in an extended state. In such position, since the second spring urges the piston out of the chamber, the chamber may have a relatively large volume (for example its maximum volume), and may thus be filled with the liquid.
  • the piston and the damper body may be urged rearwardly, thereby compressing the first spring and bringing the damper body into the second position.
  • the first contact is mounted to the damper body, the mating of the first contact with the second contact is prevented, as the damper body is brought into the second position.
  • the second spring may only be compressed slightly, since the liquid filling the chamber in the damper body is only expelled slowly through the opening in the chamber, and thus provides a resistance to the compression of the second spring, i.e. to the piston being pushed into the chamber.
  • the damper body may be urged forwardly by the first spring. Thereby, liquid may be expelled from within the chambers through the opening to damp the movement.
  • the piston since the piston is fixed in position due to its engagement with the shuttle pin that is held in place by the pin of the second connector part, movement of the damper body will cause the volume of the chamber to become smaller, thereby expelling the fluid from the chamber and compressing the second spring.
  • the first contact may be moved into engagement with the second contact by the movement of the damper body.
  • the first spring may move the damper body from the second position into the first position, thereby effecting the mating between the first and second contacts.
  • the second spring In the state in which the connector part is mated with the second connector part, and the first contact is engaged with the second contact, the second spring is generally in a compressed state. After disengagement (or de-mating) of the connector part and the second connector part, the second spring may urge the piston forwardly so as to increase the volume of the chamber. As the volume of the chamber is increased, liquid may enter the chamber through the opening. The initial unmated state of the connector part may thus be restored.
  • the connector may be a fiber optic connector.
  • the first contact may comprise one or more optical contacts.
  • the first contact may in particular comprise a fiber ferrule, such as a MT ferrule. Such ferrule may comprise plural optical fibers.
  • the connector part may have a housing that is at least partly filled with a liquid for pressure compensation.
  • the damper unit may make use of this liquid to delay the engagement of the first contact with the second contact. Accordingly, the liquid may have a dual use, thus reducing the complexity of the connector part.
  • the connector part is a connector part of an electrical connector, or a hybrid electrical and optical connector.
  • the first contact may accordingly be an electrical contact, or may comprise an electrical contact and an optical contact.
  • a subsea wet-mateable connector comprising a connector part in any of the above outlined configurations.
  • a method of providing a connection in a subsea environment by means of a connector part of a subsea connector is provided.
  • the connector part comprises at least a first contact configured for engagement with a respective second contact of a second connector part.
  • the method comprises the steps of engaging the first connector part with the second connector part; activating a damper unit during the engagement, wherein said damper unit comprises a damper body defining a chamber and further comprises a piston providing a wall of the chamber.
  • the piston is moveable relative to the damper body to change the volume of the chamber.
  • the chamber is filled with a liquid and comprises an opening through which the liquid can enter and escape the chamber, wherein at least the first contact is mounted to the damper unit; wherein the first contact is mounted to the piston or the damper body, delaying the engagement of the first contact with the second contact of the second connector part by means of the damper unit during engagement; wherein the delay in the engagement of the first contact with the second contact at least partly results from the time required to expel liquid from within the chamber through the opening when moving the damper body relative to the piston, and after the first connector part and the second connector part are in a mated state, bringing the first contact into engagement with the second contact by means of the damper unit to provide a connection.
  • the method may be performed by a connector part in any of the above outlined configurations.
  • the step of activating the damper unit during engagement may comprise urging the damper body of the damper unit rearwardly in a housing of the connector part against the force of a spring, thereby moving the first contact rearwardly.
  • the steps of delaying the engagement of the first contact with the second contact and of bringing the first contact into engagement with the second contact may be performed by moving the damper body with the first contact forwardly by means of a spring force applied to the damper body by the spring.
  • the damper unit is configured such that the forward movement of the damper body reduces the volume of a liquid filled chamber. Thereby, liquid may be expelled through an opening in the chamber.
  • the movement of the damper body and thus the engagement of the first contact with the second contact may be delayed this way.
  • the first contact may be moved into engagement with the second contact, in particular at a speed that is controlled by said expelling of liquid through the opening in the chamber.
  • the method may comprise further steps, in particular steps that are outlined further above with respect to the connector part. Furthermore, the method may be performed with embodiments of the connector part in any of the configurations outlined herein.
  • Figure 1 illustrates a connector part 100 according to an embodiment of the invention.
  • the connector part 100 may also be termed first connector part.
  • the connector part 100 includes the connector housing 105, which can be composed of multiple parts, although only a single part housing is shown for the purpose of illustration in figure 1 .
  • a contact 110 is provided for engagement with a corresponding second contact of a second connector part.
  • the first and second connector parts are part of a wet mateable subsea connector and are configured to be mated under water.
  • the first contact 110 is provided by a ferrule 111 that includes plural optical fibers that are led into the connector by means of the connection 115, which is for example a fiber optic cable.
  • connection 115 which is for example a fiber optic cable.
  • the subsequent description is based on a fiber optic connector employing a fiber ferrule 111 as an example. Nevertheless, it should be clear that embodiments of the inventions may also be used with other types of contacts 110, for example a single optical contact, or an electrical contact, or a hybrid contact comprising electrical and optical contacts.
  • Connection 115 may thus accordingly being optical line, an electrical line, or two lines, for example optical and electrical line may be provided.
  • the connector part 100 comprises a damper unit 10.
  • the damper unit 10 is provided for delaying the engagement of the first contact 110 with the second contact when the connector part 100 is mated with the second connector part.
  • the damper unit 10 moves the contact 110 out of the way, i.e. away from the first position illustrated in figure 1 , so that upon mating of the connector part 100 with the second connector part, the contact 110 does not engage the second contact.
  • the damper unit 10 is configured to subsequently move the contact 110 into engagement with the second contact at a controlled speed. This way, the engagement speed of the first contact 110 and the second contact can be decoupled from the mating speed of the connector part 100 with the second connector part.
  • FIG. 1 only shows a fraction of the connector part 100.
  • the connector part 100 has a forward end 101 at which the second connector part engages the first connector part. It further has rearward end 102, where the connector part 100 is for example connected to a cable, i.e. it may comprise a cable termination, or may be mounted to a stab plate or an enclosure wall or the like.
  • the connector part extends along an axial direction between the forward end 101 and the rearward end 102.
  • the damper unit 10 includes a damper body 20 and a spring 11.
  • the spring 11 bears on one side against a rearward end of the damper body 20, and at its other side against the connector housing 105 of connector part 100. As an example, it may bear against a shoulder 106 of the housing 105. It should be clear that in other configurations, it may also bear against another part of the housing, either directly or indirectly, e.g. via another component that is mounted to the housing 105, so that the force applied by the spring is transferred to the housing 105.
  • the damper unit 10 furthermore includes the piston 12 that is moveable into the damper body 20.
  • the contact 110 is mounted to the damper body 20.
  • the damper body 20 is moveable along the axial direction together with the contact 110, which is explained in more detail further below.
  • the contact 110 does not need to be fixedly mounted to the damper body 20.
  • the contact 110 may include further elements that ensure a smooth engagement of the first contact 110 with the second contact. In the present example, these include pins and springs so that a certain compliance is provided.
  • the mount for the contact 110 includes guide pins which guide the contact 110 and the second contact into the engaged position. By providing a certain degree of flexibility, it can be ensured that the first and second contacts are properly aligned. Nevertheless, it can be seen from figure 1 that if the damper body 20 is moved, the contact 110, together with its mount, moves together with the damper body 20.
  • the damper unit 10, or at least parts of it, are provided in a chamber of the housing 105 that is filled with a fluid, in particular a liquid, such as a dielectric liquid.
  • a fluid in particular a liquid, such as a dielectric liquid.
  • the chamber may be oil filled.
  • the connector part 100 may be sealed against the outside environment, for example by making use of a shuttle pin that is sealed inside an opening.
  • pressure compensation elements such as bellows, flexible membranes or the like may be provided for pressure compensating the interior, in particular the liquid filling the housing 105, of the connector part 100 against the outside environment.
  • the damper body 20 includes guide elements 28, such as ridges shown in figure 1 , which allow the damper body 20 to be guided along the inside of the housing 105.
  • the damper body 20 can slide along the inside of the housing while liquid that is displaced during the movement of the damper body can pass between the inner surface of the housing 105 and the damper body 20, since the ridges cause a certain spacing between the damper body and the housing.
  • FIG 2 is a schematic drawing showing the damper body 20 and the piston 12 in more detail.
  • the damper body 20 includes a through hole 25 through which the connection, for example the electrical and/or fiber optical connection for contacting the first contact 110 can be let.
  • mounting holes 23 are provided for mounting the first contact 110 to the damper body 20, in particular by means of the mount 112 shown in figure 1 .
  • FIG 3 which is a sectional perspective view of a part of the damper unit 10, the interior of the damper body 20 can be seen.
  • a chamber 30 is provided inside the damper body 20 inside the damper body 20.
  • the piston 12 can move into the chamber 30 against the force of a spring 31 that urges the piston towards its extended position that is illustrated in figure 3 .
  • Spring 31 bears on one side against the rearward wall 22 of damper body 20 and on its other side against the piston 12.
  • the piston 12 is at its rearward end provided with a protrusion so that it cannot be separated from the damper body 20.
  • the chamber 30 includes an opening 32 that in the present example is provided in form of a flow channel through the piston 12. It should be clear that in other configurations, the opening 32 may be provided at different positions, for example in form of an opening or aperture in the damper body 20.
  • the damper body 20 can be moved relative to the piston 12. If such movement occurs, a fluid, in particular a liquid filling the chamber 30 is expelled through the opening 32, since the volume of chamber 30 is reduced. Since the opening 32 constitutes a flow restriction, movement of the piston 12 into the damper body 20 is damped.
  • the time required by the piston 12 to fully move into a final position in which it abuts the abutment face 24 inside a chamber 30 is determined by the amount of force applied to the piston 12 or to the damper body 20, and the dimension of the opening 32, as well as the viscosity of the fluid or liquid filling the chamber 30. Accordingly, it is possible to adjust the speed with which the damper body 20 moves relative to the piston 12 by adjusting any of these parameters.
  • the damper body 20 is allowed to move relative to the housing 105, the speed of movement of the damper body 20 and thus of the first contact 110 mounted thereto can be adjusted by these parameters. Accordingly, the engagement speed of the first contact 110 with the second contact can be adjusted.
  • Figure 4 shows the connector part 100 of figure 1 in the unmated state in a perspective sectional view.
  • the first spring 11 pushes the damper body 20 forwardly into a first position.
  • the contact 110 is located in a first position.
  • the second spring 31 inside the damper body 20 pushes the piston 12 forwardly, the spring 31 being in an extended state. In this state, liquid fills the chamber 30.
  • Figure 4 furthermore illustrates a shuttle pin 150 of the first connector part 100.
  • shuttle pin may for example seal an opening in the housing 105 of the first connector part 100, and may be pushed backwardly during mating of the first connector part 100 with the second connector part, for example by a pin of the second connector part that enters the opening and the chamber within the housing 105.
  • the shuttle pin 150 furthermore includes in the example of figure 4 a flow channel 151 and apertures 152.
  • Flow channel 151 provides a flow connection together with the flow channel in the piston 12 when the shuttle pin 150 engages the piston 12. Accordingly, the flow channel 151 and the apertures 152 may form part of the opening 32 of the chamber 30. In other words, liquid may flow into and out of the chamber 30 through the opening 32, including the flow channel 151 and the apertures 152.
  • the connector part 100 is illustrated in a state in which the connector part 100 is mated with a second connector part 200, i.e. the connector parts 100 and 200 are in a mated state. Nevertheless, the state illustrated in figure 5 is a state that is reached directly after the first connector part 100 is mated with the second connector part 200 and the first contact 110 is not yet in engagement with the second contact 210. During mating, the pin 250 of the second connector part 200 pushes the shuttle pin 150 rearwardly in the connector housing 105 and into engagement with the piston 12.
  • the piston 12 together with the damper body 20 are pushed rearwardly against the force of the first spring 11. Due to the restriction of the flow of liquid out of the chamber 30, the piston 12 remains in the extended state and does not compress the spring 31.
  • the shuttle pin 150 applies a force to the piston 12 in a rearward direction, the applied force will lead to liquid flowing through the opening 32 out of the chamber 30, so that compression of the spring 31 and movement of the piston 12 into the chamber 30 starts. Nevertheless, the movement is relatively slow so that there is no significant compression of the spring 31 when the first and second connector parts 100, 200 reach the mated state.
  • the piston 12 together with the damper body 20 moves rearwardly. This movement continues until the first and second connector parts 100, 200 have reached the mated state, which is shown in figures 5 .
  • the compressed first spring 11 now applies a force to the damper body 20 in a forward direction. Damper body 20 is thus urged forwardly, wherein the forward movement is restricted by the volume of liquid that can leave the chamber 30 through the opening 32. Accordingly, the speed of movement of the damper body 20 in forward direction can be controlled by controlling the volume of liquid that is allowed to leave the chamber 30. As outlined above, this can be achieved by controlling for example the size and number of apertures 152, by controlling the dimensions of the flow channel, by controlling the viscosity of the liquid, by controlling the spring constant of spring 11 or the like.
  • the damper body 20 is moved into a second, rearward position.
  • the first contact 110 mounted to the damper body 20 is thus also moved into a second, rearward position.
  • the contact 110 is spaced apart from the second contact to 210, as shown in figure 5 . Accordingly, the first and second contacts 110, 210 are not in engagement, and no connection is established.
  • the first contact 110 is also moved forwardly and thus back into the first position. Accordingly, contact 110 is moved into engagement with the second contact 210. This occurs at controlled speed, since the speed of the damper body 20 is controlled as outlined above.
  • the present embodiment thus allows the engagement of the first and second contacts 110, 210 at controlled speed.
  • Figure 6 shows the connector part 100 of figure 5 in the mated state and in a state in which the first and second contacts 110, 210 are in engagement.
  • the first spring 11 is now extended, whereas the second spring 31 is now compressed.
  • the damper body 20 and thus the first contact 110 are now located in the first position.
  • the first and second contacts 110, 210 are in engagement and establish a connection between the line 115 and the line 215 of the first and second connector parts 100, 200, respectively.
  • a data connection or a connection for power transfer may thus be established.
  • it is a fiber optical data connection that is being established.
  • the subsea connector with the mated first and second connector parts 100, 200 can now remain in operation for the desired amount of time. If the connector parts are de-mated again, the first connector part 100 is moved rearwardly with respect to the second connector part 200. Accordingly, the shuttle pin 150 will move forwardly and will return into its position in the de-mated state where it seals an opening in the housing 105 of the first connector part 100. As a consequence, the piston 12 is free to move again, and will be urged forwardly by the compressed spring 31. Accordingly, liquid can flow into the chamber 30 through the opening 32. Finally, the piston 11 will reach its extended state, and the connector part 100 will thus return to the state that is illustrated in figure 4 .
  • embodiments of the inventions provide decoupling between the mating speed of the first and second connector parts 100, 200 and the engagement speed of the first contact 110 with the second contact 210. Since the first contact 110 is moved rearwardly during the mating process, damage to the first or second contact 110, 210 may be prevented. Furthermore, engagement of the first and second contacts 110, 210 can occur at controlled speed. It should be clear that the configuration shown in figures 1 to 6 is only exemplary, and that the same principles can be applied in other configurations of the connector part or the damper unit. As an example, the contact 110 may in other embodiments be mounted to the piston 12, or the chamber 30 may be formed between a damper body and the housing 105 or the like.
  • FIG. 7 is a flow diagram illustrating a method according to an embodiment of the invention.
  • step 71 the first connector part 100 and the second connector part 200 are engaged subsea by means of an ROV.
  • an ROV As outlined further above, such mating of the connector parts by an ROV generally occurs under the control of an ROV pilot, and can thus generally occur at different mating speeds. In particular, in certain situation, excessive mating speeds may be reached.
  • step 72 the damper unit 10 of the first connector part 100 is activated by pushing the damper body 20 rearwardly in the first connector part 100 against a spring force.
  • the force required for pushing the damper body rearwardly is provided by the mating force during the mating of the first and second connector parts. Accordingly, there is no need for any actively driven movement of any of the components, such as by means of an electric motor or the like.
  • the first contact in the first connector part is brought from a first position into a second position in which the engagement with the second contact is prevented (step 73).
  • the first contact is moved rearwardly in the connector housing of the first connector part, whereby damage to the first and/or second contact may be prevented during the mating.
  • step 74 the damper body with the first contact is moved forwardly by means of the force applied by the compressed spring to the damper body.
  • the forward movement is restricted by the flow of liquid through an opening, whereby the forward movement of the first contact is delayed. Accordingly, the engagement of the first contact with the second contact of the second connector part is delayed. In particular, the engagement occurs at controlled speed.
  • the first contact is allowed to move back to the first position and into engagement with the second contact. Thereby, a connection is established between the first contact and the second contact (step 75). Accordingly, a connection between the first contact and the second contact can be established in a reliable and controlled way.
  • the internal damping unit in the first connector part allows an independent engagement of the first and second contacts.
  • the performance of the internal mating process is thus managed by the damping unit.
  • the negative effects that an inadvertent high speed mate may have in conventional connectors may thus be mitigated or even be avoided.
  • a connector failure may be prevented.
  • damage to a contact may cause latent failure and may go undetected for a certain period of time.
  • reliability of the subsea system may accordingly be improved.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (14)

  1. Pièce de connecteur d'un connecteur sous-marin adaptée en vue d'être accouplée à une deuxième pièce du connecteur sous-marin, étant entendu que la pièce (100) de connecteur comprend :
    - au moins un premier contact (110) configuré en vue de sa solidarisation avec un deuxième contact (210) respectif de la deuxième pièce (200) de connecteur afin d'établir une connexion,
    caractérisée en ce que la pièce (100) de connecteur comprend par ailleurs :
    - une unité amortisseuse (10), étant entendu qu'au moins le premier contact (110) est monté sur l'unité amortisseuse (10),
    étant entendu que ladite unité amortisseuse (10) comprend un corps amortisseur (20) définissant une chambre (30) et comprend par ailleurs un piston (12) constituant une paroi de la chambre (30), étant entendu que le piston (12) est déplaçable par rapport au corps amortisseur (20) pour modifier le volume de la chambre (30), étant entendu que la chambre (30) est remplie d'un liquide et comprend une ouverture (32) par laquelle le liquide peut entrer dans la chambre (30) et s'en échapper ;
    étant entendu que le premier contact (110) est monté sur le piston (12) ou le corps amortisseur (20), et
    étant entendu que l'unité amortisseuse (10) est configurée en vue d'être activée par une solidarisation de la pièce (100) de connecteur avec la deuxième pièce (200) de connecteur et est configurée par ailleurs en vue de retarder la solidarisation dudit premier contact (110) avec le deuxième contact (210) de la deuxième pièce (200) de connecteur pendant la solidarisation de la pièce (100) de connecteur avec la deuxième pièce (200) de connecteur, et
    étant entendu qu'un retard dans la solidarisation du premier contact (110) avec le deuxième contact (210) résulte au moins en partie du temps requis pour expulser le liquide de l'intérieur de ladite chambre (30) par ladite ouverture (32) lors du déplacement du corps amortisseur (20) par rapport au piston (12).
  2. Pièce de connecteur selon la revendication 1, étant entendu que l'unité amortisseuse (10) est configurée pour retarder la solidarisation du premier contact (110) avec le deuxième contact (210) de telle sorte qu'à l'instant où la pièce (100) de connecteur et la deuxième pièce (200) de connecteur atteignent un état accouplé, le premier contact (110) ne soit pas encore solidarisé avec le deuxième contact (210), et étant entendu que l'unité amortisseuse (10) est configurée en vue de déplacer le premier contact (110) jusqu'à sa solidarisation avec le deuxième contact (210) après que la pièce (100) de connecteur et la deuxième pièce (200) de connecteur ont atteint l'état accouplé.
  3. Pièce de connecteur selon la revendication 1 ou 2, étant entendu que l'unité amortisseuse (10) est configurée en vue de retarder la solidarisation dudit premier contact (110) avec le deuxième contact (210), d'une constante de temps qui est déterminée par un écoulement de fluide par ladite ouverture (32) .
  4. Pièce de connecteur selon l'une quelconque des revendications précédentes, étant entendu que l'unité amortisseuse comprend un élément mobile sur lequel le premier contact (110) est monté, que l'élément mobile est déplaçable entre une première position dans laquelle le premier contact (110) se solidarise avec le deuxième contact (210) lorsque la pièce de connecteur et la deuxième pièce de connecteur sont dans l'état accouplé, et une deuxième position dans laquelle le premier contact (110) est espacé par rapport au deuxième contact (210) lorsque la pièce de connecteur et la deuxième pièce de connecteur sont dans l'état accouplé.
  5. Pièce de connecteur selon la revendication 4, étant entendu que, lorsque la pièce (100) de connecteur est dans un état non accouplé, l'élément mobile est situé sur la première position, et étant entendu que, pendant la solidarisation de la pièce (100) de connecteur avec la deuxième pièce (200) de connecteur, l'élément mobile est déplacé jusqu'à la deuxième position.
  6. Pièce de connecteur selon la revendication 4 ou 5, étant entendu que le déplacement de l'élément mobile est effectué au moyen d'une force d'accouplement appliquée à la pièce de connecteur ou à la deuxième pièce de connecteur pendant l'accouplement, en particulier le déplacement depuis la première position jusqu'à la deuxième position, et/ou étant entendu que le déplacement de l'élément mobile est effectué au moyen d'une force élastique, telle que la force d'un ressort, en particulier le déplacement depuis la deuxième position jusqu'à la première position.
  7. Pièce de connecteur selon l'une quelconque des revendications 4-6, étant entendu que l'unité amortisseuse (10) comprend par ailleurs un ressort (11) qui est relié mécaniquement à l'élément mobile de sorte à pousser l'élément mobile jusqu'à la première position.
  8. Pièce de connecteur selon la revendication 7, étant entendu qu'un mouvement de l'élément mobile depuis la deuxième position jusqu'à la première position est effectué au moyen dudit ressort (11).
  9. Pièce de connecteur selon l'une quelconque des revendications 4-8, étant entendu que ledit élément mobile est le corps amortisseur (20).
  10. Pièce de connecteur selon la revendication 1, étant entendu que ladite chambre (30) comprend un ressort (31) qui applique une force au piston (12) qui pousse le piston (12) dans une direction dans laquelle le volume de la chambre (30) est augmenté.
  11. Pièce de connecteur selon l'une quelconque des revendications 1-6, étant entendu que la pièce (100) de connecteur comporte une extrémité avant (101) servant à sa solidarisation avec la deuxième pièce (200) de connecteur et une extrémité arrière (102) sur laquelle une liaison (115) est aménagée, étant entendu que l'unité amortisseuse (10) comprend :
    - le corps amortisseur (20) comportant une extrémité avant et une extrémité arrière, étant entendu que le corps amortisseur (20) comprend la chambre (30) qui possède une ouverture tournée vers l'avant ;
    - un premier ressort (11) reposant, d'un côté, contre l'extrémité arrière du corps amortisseur (20) et, de l'autre côté, contre un logement (105) de connecteur de la pièce (100) de connecteur ;
    - le piston (12) agencé dans l'ouverture de la chambre (30) du corps amortisseur (20), le piston (12) se déployant vers l'avant ;
    - un deuxième ressort (31) agencé dans la chambre (30) et reposant, d'un côté, contre ledit piston (12) et, de l'autre côté, contre une paroi arrière (22) de la chambre (30), le deuxième ressort (31) poussant le piston (12) vers l'avant par rapport au corps amortisseur (20) ;
    - une ouverture (32) dans la chambre (30) permettant à un liquide d'entrer dans la chambre et de s'en échapper,
    étant entendu que ledit premier contact (110) est monté sur le corps amortisseur (20) et que ledit piston (12) est configuré en vue d'être accroché par une broche navette (150) de la pièce (100) de connecteur.
  12. Pièce de connecteur selon la revendication 11, étant entendu que le corps amortisseur (20) est un élément mobile qui possède une première position dans laquelle le premier contact (110) se solidarise avec le deuxième contact (210) lorsque la pièce de connecteur et la deuxième pièce de connecteur sont dans l'état accouplé, et une deuxième position dans laquelle le premier contact (110) est espacé par rapport au deuxième contact (210) lorsque la pièce de connecteur et la deuxième pièce de connecteur sont dans l'état accouplé,
    étant entendu que l'unité amortisseuse (10) est configurée de telle sorte que, dans l'état non accouplé de la pièce (100) de connecteur, le corps amortisseur (20) soit dans la première position et les premier et deuxième ressorts (11, 31) soient dans l'état déployé, et
    que, lors de la solidarisation de la pièce (100) de connecteur avec la deuxième pièce (200) de connecteur, le piston (12) et le corps amortisseur (20) soient poussés en arrière, ce qui comprime le premier ressort (11) et amène le corps amortisseur (20) sur la deuxième position, moyennant quoi l'accouplement du premier contact (110) avec le deuxième contact (210) est empêché, et
    qu'après que la pièce (100) de connecteur et la deuxième pièce (200) de connecteur ont atteint l'état accouplé, le corps amortisseur (20) est poussé en avant par ledit premier ressort (11), ce qui expulse du liquide de l'intérieur de ladite chambre (30) par ladite ouverture (32) pour amortir le mouvement, moyennant quoi le premier contact (110) est déplacé jusqu'à sa solidarisation avec le deuxième contact (210).
  13. Procédé de réalisation d'une connexion en environnement sous-marin au moyen d'une pièce de connecteur d'un connecteur sous-marin, étant entendu que la pièce (100) de connecteur comprend au moins un premier contact (110) configuré en vue de sa solidarisation avec un deuxième contact (210) respectif d'une deuxième pièce (200) de connecteur, étant entendu que le procédé comprend les étapes consistant :
    - à solidariser la première pièce (100) de connecteur avec la deuxième pièce (200) de connecteur ;
    - à activer une unité amortisseuse (10) pendant la solidarisation, étant entendu que ladite unité amortisseuse (10) comprend un corps amortisseur (20) définissant une chambre (30) et comprend par ailleurs un piston (12) constituant une paroi de la chambre (30), étant entendu que le piston (12) est déplaçable par rapport au corps amortisseur (20) pour modifier le volume de la chambre (30), étant entendu que la chambre (30) est remplie d'un liquide et comprend une ouverture (32) par laquelle le liquide peut entrer dans la chambre (30) et s'en échapper,
    - étant entendu qu'au moins le premier contact (110) est monté sur l'unité amortisseuse (10), étant entendu que le premier contact (110) est monté sur le piston (12) ou sur le corps amortisseur (20) ;
    - à retarder la solidarisation du premier contact (110) avec le deuxième contact (210) de la deuxième pièce (200) de connecteur au moyen de l'unité amortisseuse (10) pendant la solidarisation, étant entendu que le retardement de la solidarisation du premier contact (110) avec le deuxième contact (210) résulte au moins partiellement du temps requis pour expulser du liquide de l'intérieur de ladite chambre (30) par ladite ouverture (32) lors du déplacement du corps amortisseur (20) par rapport au piston (12) ;
    - après que la première pièce (100) de connecteur et la deuxième pièce (200) de connecteur sont dans un état accouplé, à amener le premier contact (110) à se solidariser avec le deuxième contact (210) au moyen de l'unité amortisseuse (10) pour réaliser une connexion.
  14. Procédé selon la revendication 13, étant entendu que l'étape d'activation de l'unité amortisseuse (10) pendant la solidarisation consiste :
    - à pousser le corps amortisseur (20) de l'unité amortisseuse (10) en arrière dans un logement (105) de la pièce (100) de connecteur en surmontant la résistance d'un ressort (11), ce qui déplace le premier contact (110) vers l'arrière, et
    étant entendu que les étapes consistant à retarder la solidarisation du premier contact (110) avec le deuxième contact (210) et à amener le premier contact à se solidariser avec le deuxième contact sont exécutées en :
    - déplaçant le corps amortisseur (20) doté du premier contact (110) vers l'avant au moyen de la force d'un ressort appliquée au corps amortisseur (20) par ledit ressort (11), étant entendu que l'unité amortisseuse (10) est configurée de telle sorte que le mouvement vers l'avant du corps amortisseur (20) réduit le volume de la chambre (30) remplie de liquide, ce qui entraîne l'expulsion du liquide par l'ouverture (32) de la chambre (30), moyennant quoi le mouvement du corps amortisseur (20) et, donc, la solidarisation du premier contact (110) avec le deuxième contact (210) sont retardés, et moyennant quoi le premier contact (110) est amené à se solidariser avec le deuxième contact (210).
EP15194717.3A 2015-11-16 2015-11-16 Partie de connecteur d'un connecteur sous-marin et son procédé de connexion Active EP3168945B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15194717.3A EP3168945B1 (fr) 2015-11-16 2015-11-16 Partie de connecteur d'un connecteur sous-marin et son procédé de connexion
US15/344,806 US10033134B2 (en) 2015-11-16 2016-11-07 Connector part of a subsea connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15194717.3A EP3168945B1 (fr) 2015-11-16 2015-11-16 Partie de connecteur d'un connecteur sous-marin et son procédé de connexion

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EP3168945B1 true EP3168945B1 (fr) 2019-10-30

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RU2020134237A (ru) 2018-04-06 2022-05-06 Фишер Коннекторс Холдинг С.А. Многополюсный соединитель
BR102021019828A2 (pt) * 2021-10-01 2023-04-18 Petróleo Brasileiro S.A. - Petrobras Conexão de cabo umbilical com robô para intervenção em dutos remotamente controlado
FR3136603A1 (fr) * 2022-06-08 2023-12-15 Ultratech Connecteur électrique comportant un système de protection d’un utilisateur

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EP3168945A1 (fr) 2017-05-17
US10033134B2 (en) 2018-07-24
US20170141507A1 (en) 2017-05-18

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